TPE 964 and ET 967

[nick matthews13]

I’m a fan of the ET967. Ive been around a handful of them locally throughout the years and they have been very reliable engines, a few with well over 200 hours on them from new. I have video of one we setup personally, 6 trick combo. That motor was beat, been through three owners. One of the first 967’s, it’s in Canada now


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Yes I’ve heard good things about both motors and that’s what made me get into the idea of selling my JM718 and picking one up. A lot of people vouch for zacks php 898 motor also. I don’t mind having to rebuild every other season or so (seasons are only about 3-4 months where I live). I main concern is power and reliability if those can go hand in hand LOL

 

[Quinc]

The et967 does not compare to a 964 in performance. The 967 (falsely named to sucker you in) does not pull the pitch that a 964 can. 964s should get 100 hrs. and then rebuild if you don't suck in water through the rear cylinder but thats water control in the hull. I've had some get 200 hrs. but I wouldn't recommend this as your asking the crank to handle so much power for too long. Dasa supplies pistons and such at this point and I'm working with them to get them to put out cylinders and engines. Parts are still available and will be. The 964 was not designed to be a cheap engine but the best stock stroke period. Et is just designed to be good enough to sell, as his business model is copy off close enough to confuse you, then lower the price so you think your getting something the same, its not. I can go into why a 964 will last as longer but thats a long phone call.

Can you tell us the ultimate setup to get the most out of the 964? exhaust/intake/carbs/TL/ etc you recommend?

 

[egbrig]

zzlstra, I like you but you are a sponsored rider of ET. Your opinions are highly biased because as you've said, you get great prices on et stuff. Reliability is mostly rider based, all manufactures know this. Power just is. I no longer have a dog in this fight but the TPE now DASA cylinders will continue, and customers just need to decide on power or price and DASA is great service, and tuning info. The 898 is also a really good engine, Zack of PHP is a friend and we will be hanging out together at WF's.

 

[Mrstark44]

To speak to your original question a bit, I’ve ridden a TPE 964 a guy is running locally and it freekin rips, but I’d just be cautious since TPE technically isn’t in business anymore (was sold to DASA and I think plans are still up in the air)

Parts are still available for TPE motors. Jr. Can set you up with anything TPE. He made me new cases and had all other items necessary to fully rebuild a 964.
The TPE cylinder takes things to another level when comparing it side by side with oem or older cast cylinders.

 

[KMN]

I got my XFS setup with a TPE 964, 46's, MSD enhancer, RRP pipe, skat 155, and the P&P Raptor trim. This thing rips. My buddy was idle flipping over and over, and he's never done that before or tried a power valve motor. It blew his mind. That being said, my local buddies and I have quite a few TPE motors and have all been enjoying them.

 

[Wetbuffalo]

Can you tell us the ultimate setup to get the most out of the 964? exhaust/intake/carbs/TL/ etc you recommend?

The ultimate set up is going to be what you can tune and or what you are looking to do. Start with what’s known to work for these motors. And build a package around it. I am running a TNT v3 pipe, Enhancer, 49 FullSpec carbs on a PHP intake with V3 reeds. This right here is a solid package. I have this driving Torrent’s new 150 mm pump. Switching to a Power factor pipe would move your power up higher. My plan this winter is to do Multi point water injection on my TNT based on Erik’s recommendations as this really allows the TNT pipe to work at it full potential.

In our group we have a couple running this same basic configuration and jetting is plug and play along with prop pitches. The pitch that my motor is pulling is something normally you would only see on a dasa 971 that is a 10mm stroker.

 

[nick matthews13]

I appreciate all the feed back fellas so thank you ! My next question I guess would be with running one of those motors with a msd and factory b pipe for now , would the 9/15 hooker in my 148 solas pump be good or could I get away with a bit smaller pitch ? Whatever motor I run will probably have 46s on it

 

[Yami-Rider]

I've been on a few tpe and et.
As for reliability, I have a buddy that is running a ET967, 30 degree TL, 170 psi, engine has been very abused. Keeps it pinned all day, has sank the ski more times then I can count, over heated twice that I know of, and he is at 180hrs, not sure how it hasn't blow up yet, but it keeps on going. Update, was finally rebuilt at 211hr, no failure, but needed a bore and all internals replaced.

ET cnc work on cylinder and cases is top notch, he doesn't hand port the cases, the cnc does the work.

I've rode some Erik ported tpe that made the most power I've felt out of a stoke stroke and others that didn't preform all that great, but may of been the setup.

 

[egbrig]

Yami-Rider, I don't know what comparisons you've done but there is no way an et makes more low end. Its most likely pitched lower to work with a wet pipe so it feels like it hits but this I know for a fact, put the same pitched impeller and pipe combo in both and the et won't pull it, its been done..
Yes, et cnc's his cases, saves time, but it also misses little things, and if you've seen inside "top WF engines " you'ld know. TPE was built to be the best, not a cheap copy knockoff.

 

[Wetbuffalo]

Top end pull gets the boat up and out of the water. This is exactly what a TPE does. This is a 120 lbs surf hull

 

[orangefinger]

I think the main thought and understanding should be .....if u run above or slightly below or 900 cc you will need the appropriate components, TL, carbs/intake, fuel, and pump components....to really get the best bang for the buck

The price hike is not only the engine block , this is higher $$ commitment with components....

In the end the engine will only perform as well as it has been set up , u can have a well oiled 771 TS beat some 900 cc's if not set up properly and components matched.

Furthermore u should educate yourself on the different engine platforms and on how the engines perform and where the strength lies , 900cc there is a huge difference between x scream 900 RR , TPE co , ET , DASA ninja and or others.....

 

[Skuzz2006]

Well said kelly! I couldn’t agree more.

I think the main thought and understanding should be .....if u run above or slightly below or 900 cc you will need the appropriate components, TL, carbs/intake, fuel, and pump components....to really get the best bang for the buck

The price hike is not only the engine block , this is higher $$ commitment with components....

In the end the engine will only perform as well as it has been set up , u can have a well oiled 771 TS beat some 900 cc's if not set up properly and components matched.

Furthermore u should educate yourself on the different engine platforms and on how the engines perform and where the strength lies , 900cc there is a huge difference between x scream 900 RR , TPE co , ET , DASA ninja and or others.....

 

[Freakrider]

TPE FTW ! 11 ports with looped transfers vs 7 ports no comparison. Here's the height a TPE1105 can make under propped with an old guy behind it.

 

[CouchesR4homesNOTH2O]

Sorry to slightly thread highjack below is related to TPE 964,

I have a 964 that will be used for my second freestyle build ever (first was a sj like everybody else) and I’d just like to be pointed in the right direction. This is all happening on a pretty tight budget. Ill just drop what I have so far and if anybody would be willing to drop some input on things that will go extremely wrong with this build or suggestions, I’d be grateful.

Bob G3 Fiberglass (all I could afford at the time and it was repainted/redone to look new)

TPE 964 (used, I’m told rebuilt one time and 20 hours on current rebuild)

Stock 46 carbs, PHP intake, V3 reeds (came with the engine, told jetted to perfection, but unsure what pipe was used)

B-pipe mod chamber ( will bore out to max specs as I know B-pipe is a crutch, but I need 5 gallons to be able to ride my area)

Stock 62 electronics with MSD enhancer, lightened flywheel.

Maxx 148 setback pump, 11/17 pitch prop recommended by JetManiac and Impros was in agreement as a good place to start.

Thrust trim (unsure on nozzle bore bought used and looked untouched)

Jetmaniac SJ waterbox

If anybody has input, please give it! Even if its to tell me I’m an idiot. Im the only one in my riding group of 3 people to ever build a ski like this, so I just don’t have the knowledge. I know the basics of tuning carbs and impeller pitches but I know people on this thread/forum know more. So far I’ve spent about 10k and could build the ski using some small parts from my SJ.